[rtc-linux] [PATCH 3/3] rtc: pcf2127: add pcf2129 device id

[Akinobu Mita <akinobu.mita@gmail.com>]

There are only a few differences between PCF2127 and PCF2129 (PCF2127
has 512 bytes of general purpose SRAM and count-down timer).

The rtc-pcf2127 driver currently doesn't use the PCF2127 specific
functionality and Kconfig help text already says this driver supports
PCF2127/29, so we can simply add pcf2129 to device id list.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: Renaud Cerrato <r.cerrato@til-technologies.fr>
---
 drivers/rtc/rtc-pcf2127.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/rtc/rtc-pcf2127.c b/drivers/rtc/rtc-pcf2127.c
index 5729ee9..2dc1690 100644
--- a/drivers/rtc/rtc-pcf2127.c
+++ b/drivers/rtc/rtc-pcf2127.c
@@ -1,12 +1,12 @@
 /*
- * An I2C and SPI driver for the NXP PCF2127 RTC
+ * An I2C and SPI driver for the NXP PCF2127/29 RTC
  * Copyright 2013 Til-Technologies
  *
  * Author: Renaud Cerrato <r.cerrato@til-technologies.fr>
  *
  * based on the other drivers in this same directory.
  *
- * http://www.nxp.com/documents/data_sheet/PCF2127AT.pdf
+ * Datasheet: http://cache.nxp.com/documents/data_sheet/PCF2127.pdf
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -196,6 +196,7 @@ static int pcf2127_probe(struct device *dev, struct regmap *regmap,
 #ifdef CONFIG_OF
 static const struct of_device_id pcf2127_of_match[] = {
 	{ .compatible = "nxp,pcf2127" },
+	{ .compatible = "nxp,pcf2129" },
 	{}
 };
 MODULE_DEVICE_TABLE(of, pcf2127_of_match);
@@ -297,6 +298,7 @@ static int pcf2127_i2c_probe(struct i2c_client *client,
 
 static const struct i2c_device_id pcf2127_i2c_id[] = {
 	{ "pcf2127", 0 },
+	{ "pcf2129", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, pcf2127_i2c_id);
@@ -359,6 +361,7 @@ static int pcf2127_spi_probe(struct spi_device *spi)
 
 static const struct spi_device_id pcf2127_spi_id[] = {
 	{ "pcf2127", 0 },
+	{ "pcf2129", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(spi, pcf2127_spi_id);
@@ -423,5 +426,5 @@ static void __exit pcf2127_exit(void)
 module_exit(pcf2127_exit)
 
 MODULE_AUTHOR("Renaud Cerrato <r.cerrato@til-technologies.fr>");
-MODULE_DESCRIPTION("NXP PCF2127 RTC driver");
+MODULE_DESCRIPTION("NXP PCF2127/29 RTC driver");
 MODULE_LICENSE("GPL v2");
-- 
2.5.0

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